Acacia, nr. Sneem Adam and Eve, Dunloe Castle Africa Tree, the Alder, Ballyseede Alder, Derrymore Alder, Legan Alder, Reenadinna Wood Alder, The Uragh Angles, The, Kilruddery House Archery Allee, Barmeath Arthur Kavanagh Oak, Borris Ash, Ballinacard House Ash, Ballindoolin House Ash, Ballyhurst Ash, Ballymoney Ash, Ballynahown Ash, Ballytobin House Ash, Ballywalter House Ash, Blackhead Road Ash, Blandsford Ash, Blessington Ash, Carnalway Lodge Ash, Carraig Dun Ash, Castlecoote Ash, Clonalvy, Ardcath, Co. Meath Ash, Clonkeen, Tang, Co. Westmeath Ash, Colebrooke Estate Ash, Coppenagh Ash, Danestown Ash, Davidstown House Ash, Deerpark Ash, Enfield Ash, Finnebrogue Ash, Garrendenny Ash, Gurteen Ash, Guystown Ash, Hilton Park Ash, Inch Abbey Ash, Islandmore Ash, Killcreene Hospital Ash, Lisbeg Stud Ash, Lisbeg Stud Ash, Lisbeg Stud Ash, Lisbeg Stud Ash, Markree Castle Ash, Moira Demesne Ash, Monaincha House Ash, Moyne House Ash, Purcells Gardens Ash, Rash house Ash, Springfield Castle, Drumcollogher, Co. Limerick Ash, St. Cuan's Well, Toberchuain, Co. Waterford Ash, Stradbally Hall Ash, Temple House Ash, The Cottage Ash, Three Castles House Ash, Tinarana House Ash, Tromroe Ash, Tullynally Ash, Tullynally Ash, Tynan Abbey Ash, Tynan Abbey Ash, Wardenstown Ash,Ardfert House, Thurles Aspen, Glenveagh Castle Aspen, Old Bridge, Enniscorthy, Co. Wexford Aspen, Poulacapple Atlas Cedar, National Botanic Gardens Augustine Henry's Poplar Austrian Pine, Antrim Castle Avenue, Beech, Circular, Kilruddery House Avenue, Beech, Powerscourt Avenue, Cedar, Carton Avenue, Coastal Redwoods, Shillelagh Avenue, Common Lime, Clongowes Wood College Avenue, Giant Sequoia, Emo Avenue, Giant Sequoia, Powerscourt Avenue, Holm Oak, St. Anne's Park Avenue, Lime, Bagenalstown Avenue, Lime, Carton Avenue, Lime, Castletown Avenue, Lime, Croan Cottages Avenue, Lime, Lough Crew Avenue, Lime, Mitchelstown Avenue, Monkey Puzzle, Caledon Avenue, Monkey Puzzle, Woodstock Avenue, Oak, Castle Archdale Avenue, Oak, Coole Avenue, Serpentine Avenue at Moore Abbey Avenue, Serpentine Beech Avenue, Killavullen Avenue, Swamp Cypress, Fota Avenue, Sycamore, Knockabbey Avenue, Yew, Addison's Avenue Avenue, Yew, Headford House Avenue, Yew, Lismore Avenue, Yew, Loughgaul Avenue, Yew, Virginia
Bastard Service Tree, Glengarra Woods Battle Field Trees, Nobber Battle Field Trees, Nobber Beech Arch, Kiltegan Beech Arches, Dunleer Beech, Aughentaine, Fivemiletown, Co. Tyrone Beech, Ballinacard House Beech, Ballinacree Beech, Baronscourt Estate Beech, Baronscourt Estate, Baronscourt, Co. Tyrone Beech, Bective Abbey Beech, Blarney Estate Beech, Blessingbourne Estate Beech, Carnelly House Beech, Castle Leslie Beech, Castlecomer Golf Club Beech, Castlecoole Estate, Enniskillen, Co. Fermanagh Beech, Coolaney Beech, Drenagh Beech, Dublin Road Beech, Glebe Gallery Beech, Glenville house Beech, Gort na mona Beech, Gort na mona Beech, Gracehill Beech, Grange Beech, Grennan Beech, Hilton Park Beech, Kerdifstown House Beech, Killegar Beech, Lackagh Beech, Lions Den House Beech, Lough Fea Beech, Monaincha Abbey Beech, Money House Beech, Moyola Park Beech, Parkanaur Beech, Parkanaur Beech, Prospect Cemetery Beech, Prospect Cemetery Beech, Rahugh Beech, Russborough House Beech, Streamstown Beech, Templeport Beech, Tralee Town Park Beech, Tullynally Castle Beech, Turlicar Beech, Whigsborough Beehive, Gormanstown Bell Ash, The Belvoir Oak, Belvoir Forest Park Bhutan Pine, Gosford Forest Park Biddy's Tree Bill Clinton's Oak, Aras an Uachtarain Birdy Tree Bishop Bedell's Tree Black Bush, Glenveagh Black Poplar, Ballymagauran Black Poplar, Ballymartin cross Roads Black Poplar, Killaloan Lodge Black Walnut, Ballykilcavan Black Walnut, Burnchurch House Black Walnut, Merlin House Blessed Virgin Mary Cypress, Rathkeale Blue Atlas Cedar, Emo Court Brewer's Spruce, Castlewellan Forest Park Brian Boru's Oak Brittas Estate Broadleas Ringfort
Cabbage Palm, Breanaski Cabbage Palm, Kylemore Abbey Cabbage Palm, Lissadell Campbell's Magnolia, Belgrove Campbell's Magnolia, Castlelough House Camphor Tree, Fota Arboretum Canary Palm, Belgrove Canary Palm, Fota Arboretum Canary Pine, Mount Usher Gardens Cappadocian Maple, Blarney Estate Cappadocian Maple, Castle upton Cappadocian Maple, Russborough House Caucasian Elm, National Botanic Gardens Caucasian Elm, Rostrevor House Caucasian Elm, Toureen Caucasian Wing-nut, National University of Galway Caucasian Wing-nut, University College Cork Cedar of Lebanon, Aras an Uachtarain Cedar of Lebanon, Baronscourt Estate Cedar of Lebanon, Castle Forbes Cedar of Lebanon, Castle Forbes Cedar of Lebanon, Castle Forbes Cedar of Lebanon, Castle Leslie Cedar of Lebanon, Kildalton College Cedar of Lebanon, Malahide Castle Cedar of Lebanon, Marley Park Cedar of Lebanon, Newtownanner House Cedar of Lebanon, Shane Castle Cedar of Lebanon, Tankardstown House Champion Alpine Southern Beech Champion Ash Youghal Champion Ash, Lecarrow Champion Beech, Stradbally Champion Black Poplar Champion Box hedge Champion Brewer's Spruce Champion Bull Bay Champion Caucasian Fir Champion Cedar Champion Cherry Champion Chestnut-leafed Oak Champion Copper Beech Champion Cork Oak Champion Dombey's Southern Beech Champion Field Maple Champion Flase Acacia Champion Foxglove Tree Champion Horse Chesnut Champion Italian Maple Champion Kashmir Cypress Champion Lawson's Cypress Champion Liquidambar Champion macrocarpa Champion Monkey Puzzle for these Islands Champion Monterey Pine, Clonakilty Champion Monterey Pine, Dundalk Champion Noble Fir Champion Norway Maple Champion Pear Champion Pedunculate Oak Champion Picconia, old Conna Hill Golf Club Champion Plane Champion Pyrenean Oak, old Conna Hill Golf Club Champion Red Maple Champion Redwood Champion Sessile Oak, Baronscourt Champion Sessile Oak, Garryhill Champion Silver Beech, Belvedere Champion Silver Fir Champion Swamp Cypress Champion Sycamore West of the Shannon Champion Tulip Tree Champion Western Hemlock Champion Western Red Cedar Champion Whitebeam Champion Wych Elm, Donegal Town Cherry Laurel, Caher House Children's Burial Ground, Blackpatch Chilean Wine Palm, Kells Bay Gardens Chinese Cedar, The Presbytry Chinese Evergreen Magnolia, Lismore castle Chinese Fir, Brooke Hall Chinese Fir, Mount Usher Gardens Chinese Photinia, Cashel House Hotel Chinese Privet, University College Cork Chinese Red-barked Birch, Brooke Hall Cider Gum, Lissadell House Coastal Redwood, Caledon Estate Coastal Redwood, Gurteen le Poer Coastal Redwood, Hilton Park Coastal Redwood, Mullaghmore House Coastal Redwood, Woodstock Coastal Redwood, Woodstock Common Juniper, Portumna Castle Common Lime, Abbeyshrule Common Lime, Ardglassan, Crossakeel, Kells, Co. Meath Common Lime, Ballybur Cross Roads Common Lime, Castle Forbes Common Lime, Coole Park Common Lime, Cork Road Common Lime, Enniskillen Common Lime, Firmount Common Lime, Glenbrien, Enniscorthy, Co. Wexford Common Lime, Huntington Castle Common Lime, Kilbraghan Cross Roads Common Lime, Killegar Common Lime, Killyleagh Castle Common Lime, Lions Den House Common Lime, Main Street Common Lime, Main Street Common Lime, Marlfield House Common Lime, Newtownanner House Common Lime, Owning Common Lime, St. Gobnait's Well Common Lime, Strokestown Park Common Lime, Templeport Common Lime, The Green Common Lime, Tuamgraney Common Oak, Ballykeefe Common Oak, Belvedere Common Oak, Boom Hall Common Oak, Carrigglas farm Common Oak, Colebrooke Common Oak, Crom Castle Common Oak, Crom Castle Common Oak, Crom Castle Common Oak, Enagh House Common Oak, Lackan Common Oak, Mullingar Common Oak, Prospect Cemetery Common Oak, Stoneen Common Oak, Tarbert House Common Oak, Woodbrook Demesne Coolaghmore Hill Thorn, Callan Copper Beech, Ballinacard House Copper Beech, Diseart Copper Beech, Donade Junction, Kilcullen, Co. Kildare Copper Beech, Old Leighlin, Co. Carlow Copper Beech, Red house Cork Oak, Courtmacsherry Hotel Cork Oak, Russellstown Park Cork Oak, Salterbridge House Cork Oak, Shillelagh Cork Oak, Tollymore Forest Park Corsican Pine, Powerscourt Corsican Pine, Powerscourt Crab Apple, 45 Annareagh Road Crab Apple, Ballinalee Crab Apple, Coolusty Crab Apple, Crab Tree Hill Crab Apple, Jiggenstown Crab Apple, Quakers Field Crab Apple, Three Castles House Cranmore, Chestnut, Cranmore Crann Beannaithe Crannabachall, Callan Crimean Pine, Montalto House, Ballynahinch, Co. Down Crom Yew, Crom Castle Cucumber Tree, The Bishop's See Cut-leafed oak, Peoples Park
Dawn Redwood, Ardnagashel Estate Dawn Redwood, Belfast Botanic Gardens Dawn Redwood, Birr Castle Dawn Redwood, Headford Golf Club Dawn Redwood, Japanese Gardens Dawn Redwood, Johnstown Castle Dawn Redwood, Lismore castle Dawn Redwood, National Botanic Gardens Dawn Redwood, Newbay House Hotel Dawn Redwood, Whitehead Dean's Tree, Newcastle Deodar Cedar, Knocklofty House Deodar Cedar, Tollymore Forest Park Devon Service-tree, Ballykelly Dombey's Southern Beech, Rostrevor House Doonaree Horse Chesnut, Doss Tree Douglas Fir, Avondale Douglas Fir, Drum Manor Douglas Fir, Johnstown Castle Dove / Hankerchief Tree, Rowallane Gardens Downy Birch, Crawford square Downy Birch, Rash house Downy Birch, Tomies Wood Drooping Juniper, Castlewellan Forest Park Dublin's greatest girthed tree Dublin's Oldest Tree Duke of Leinster Beeches Duke of Richmond horse chestnut
Earliest planting of Silver Fir , The Oaks Eiffel Tower Elder, Castleward Elder, Greenside Elder, Temple House Elm, Balrigh House English Elm, Cape Clear Island, Co. Cork English Elm, Mallow Buisness Park Euodia, Tully European Larch, Barnett Demesne European Larch, Bunclody European Larch, Illnacullin European Larch, Kilruddery House European Larch, The K Club European Larch, Woodstock Demesne Eve, Dunloe Castle Evergreen Magnolia, Castlelough House Eye Cure Holly, Balbriggan
Fairy Fort, Ballymahon Fairy Fort, Colehill Fairy Tree, Cappaghwhite Fairy Tree, Dromoland Fairy Tree, Hill of Tara Fairy Tree, Kilconnell Fairy Tree, Kilrea Fairy Tree, Moylough Fairy Tree, Swinford Fairy Tree, Tullyoghallen Fairy Trees, O'Donnell Famine Elm, Donegal Town Fern Leaf Beech, Green House Fern Leaf Beech, Mount Annville Secondary School Field Maple, Ballydarton House Field Maple, Colebrooke Estate Field Maple, Gleniffy House Field Maple, Gleniffy House, Galbally, Co. Tipperary First Dawn Redwood planted in Ireland, Brooke Hall First TPO in Northern Ireland, Killyhevlan Hotel Five Sister's Oak, Fairy Glen Fluttering Elm, The Old Rectory Fluttering Elm, The Old Rectory Fortgranite Estate, Frederick Moore Beech, Willbrook House Freshford Conker Tree Friary Yew, Muckross Giant's Grave Ginkgo/Maidenhair, Adare Manor Hotel and Golf Club Ginkgo/Maidenhair, Ashbourne House Ginkgo/Maidenhair, Bantry House Ginkgo/Maidenhair, Bantry House Ginkgo/Maidenhair, Beech Park Ginkgo/Maidenhair, Gormanston College Ginkgo/Maidenhair, Grange Park Ginkgo/Maidenhair, Hawthorn Heights Ginkgo/Maidenhair, Kilmacurragh Ginkgo/Maidenhair, Lismullen Ginkgo/Maidenhair, National University of Galway Ginkgo/Maidenhair, Reynella House Ginkgo/Maidenhair, Shane Castle Ginkgo/Maidenhair, St. Joseph's Centre for Visually Impaired Ginkgo/Maidenhair, St. Damian's Convent Ginkgo/Maidenhair, Tankardstown House Girth champion broadleaf, Lime, Florencecourt Girth champion Mulberry, St. columbas College Girth Champion Nootka Cypress, Woodbrook Demesne Glencormac Weeping Cypress Goat Willow or Pussy Willow, Colebrooke Golden Cypress, Belvoir Forest Park Gormanstown Sycamore Gormanstown Yew cloisters Grecian Fir, Benvarden Grey Poplar, Birr Castle Grey Poplar, Knocklofty House Grey Willow, St. Colman Mac Duach's Hermitage Griselinia, Derreen Gardens Guinness Pear Gutta Percha Tree, Mount Usher Gardens Hamilton Family Crest, Moyne House Hanging Tree, Cappanaboe Hanging Tree, Roughfort Hanging Tree, Summerhill Hangman's Oak, Shane Castle Harley Park Oak, The Hart's Elm Hawthorn, Ballymount Hawthorn, Clareen Hawthorn, Derrynaflan Island, Horse and Jockey, Co. Tipperary Hawthorn, Drumersee Hawthorn, Freestone Hill Hawthorn, Johnnie Fox's Pub Hawthorn, Johnstown North Hawthorn, Kilskyre, Kells, Co. Meath Hawthorn, St. Colman's Well Hawthorn, St. Kevin's Well, Clonabreany, Crossakeel, Co. Meath Hawthorn, St. Carthach Church Hawthorn, The Old Bog Road Hawthorn, Tubrid, Killinaspick, Co. Kilkenny Hazel, Carnahalla Hazel, St. Brigidswell, Castlearmstrong, Ballycumber, Co. Offaly Headstone-eating Cypress, Ballyhooly Himalayan Fir, Gosford Forest Park Hodgins Nursery, Dunganstown Hollow Ash, Kilsheelan Holly, Ballydarton House Holly, Ballydarton House Holly, Chrysalis Centre Holly, Clogheen Holly, Cloghfune Holly, Cullen, Co. Tipperary Holly, Glenveagh Castle Holly, Grange Lodge Holly, Killineer House Holly, Myrtle Grove Holly, Red house Holly, Reenadinna Wood Holly, The Old Bog Road Holly, Tomies Wood Holly, Tomies Wood Holly, Tomies Wood Holm Oak/Evergreen Oak, Cultra Holm Oak/Evergreen Oak, Fota Arboretum Holm Oak/Evergreen Oak, Hazelwood Forest Holm Oak/Evergreen Oak, Lough Rinn Hotel Holm Oak/Evergreen Oak, St. Anne's Park Holy Well Ash, Termonfeckin Holy well, Cappnashanna Hornbeam, Carra Castle Hornbeam, Dunganstown Castle Hornbeam, Thornville Horse Chestnut, Ballyfin House, Ballyfin, Co. Laois Horse Chestnut, Boom Hall Horse Chestnut, Brandondale Horse Chestnut, Caledon Horse Chestnut, Callan Horse Chestnut, Castle Bernard Horse Chestnut, Chesterfield Road Horse Chestnut, Dowdenstown, Punchestown, Naas, Co. Kildare Horse Chestnut, Drummin House Horse Chestnut, Glendine House Horse Chestnut, Kilballyowen House Horse Chestnut, Kilbixy Church Horse Chestnut, Kilfane House Horse Chestnut, Moatabulcane, Co. Tipperary Horse Chestnut, Oakfield House Demesne Horse Chestnut, Palmerstown House Horse Chestnut, Sligo Road Horse Chestnut, The Village Horse Chestnut, Westcourt, Callan, Co. Kilkenny Horse Chestnut, Willford Bridge Huge bole and crown despite recent storm damage., Lismullen Hungarian Oak, Avondale Hungry Tree Hybrid Catalpa, Fitzgerald Park Hybrid Strawberry Tree, Berkley Court Hotel Hybrid Strawberry Tree, National Botanic Gardens Hybrid Strawberry Tree, RTE Studio
Ilchester Oak, The Immortal Alder, The Immortal Holly, The Incense Cedar, Castle Leslie Incense Cedar, Drumantine house Incense Cedar, Glenart Castle Indian Bean Tree, Beech Park Indian Bean Tree, Drumalis Ireland's Greatest Girthed Oak, Stradbally Ireland's Greatest Girthed Tree, Innishannon Irish champion nearly overwhelmed by ivy in the past., Kilruddery House Irish Yew Original mother tree, Florencecourt Italian Cypress, Powerscourt
James Joyce Ash, Newman House Japanese Emperor's Katsura Tree, Aras an Uachtarain Japanese Red Cedar, Ashford Castle Hotel Japanese Red Cedar, Castle Mary Japanese Red Cedar, Curraghmore Japanese Red Cedar, Derreen Gardens Japanese Red Cedar, Fota Arboretum Japanese Red Cedar, Johnstown Castle Japanese Red Cedar, Kilmacurragh Japanese Red Cedar, Lissalene Gardens Japanese Umbrella Pine, Castlewellan Forest Park Japanese Walnut, Belgrove John Foster's Cypress John Kavanagh's Apple Tree John Wesley Tree Judas Tree, Simmonscourt Castle Juniper, Blacklion
Katsura Tree, Ashbourne House Katsura Tree, Monksgrange Kauri Pine , Illnacullin Kenmare Cypress Kennedy Wellingtonia, Aras an Uachtarain Kickham's Tree Killarney Ginkgo Killeighter Graveyard Ash King Edward VII Coronation Tree, Eglinton King James Spanish Chestnut, Cultra King Oak, Charleville King William's Chestnut, Scarva House King William's Stump, Rich Hill House Kumaon Palm, Bamboo Park
Laburnum, Colebrooke Estate Laburnum, Colebrooke Estate Laburnum, Glenart Castle Lady Gregory's Autograph tree Lady Gregory's Catalpa Landscape at Dunganstown, Co. Wicklow Landscape at Farnham Estate, Co. Cavan Landscape at Gurteen, Co. Tipperary Landscape at Japanese Gardens, Co. Kildare Landscape at John F. Kennedy Arboretum, Co. Wexford Landscape at Lakefield House, Co. Tipperary Landscape at Oldbridge House, Co. Meath Landscape at Ryecourt, Co. Cork Landscape at The Bishop's See, Co. Cavan Large-leafed Lime, Gurteen le Poer Large-leafed Lime, Woodlawn House Largest American Beech in British Isles., Avondale Largest Bhutan Pine, Kilruddery House Largest Black Walnut, Collinstown Largest Cabbage Palm, Seaview House Largest Copper Beech, Belcoo Green Largest Copper Beech, St. Bridget's Largest Deodar Cedar., The K Club Largest Drimys in Ireland., Monksgrange Largest Field Maple in NI, Castlecaulfield Largest Ginkgo Largest Holly Largest Holly ever known Largest Japanese Cedar in Europe Largest Noble Fir, Castle Sanderson Largest Oregon Maple in Europe, Killcroney Largest Pindrow Pine, old Conna Hill Golf Club Largest Scot's Pine Largest Silver Birch, Belcoo Green Largest Sycamore in Ireland, Killeen Castle Largest Tasmanian Blackwood in these islands., Fasseroe House Largest Weeping Beech, Kentstown Lawson Cypress, Altamont Gardens Lawson Cypress, Brooke Hall Lawson Cypress, Lough Rinn Hotel Lawson Cypress, Myross Lawson Cypress, Newmarket Lawson Cypress, Whitehead Leyland Cypress, Mount Stewart Leyland Cypress, Moynolty, Co. Meath Lily of the Valley Tree, Glanleam Locust Tree/ False Acacia, Birr Castle Locust Tree/ False Acacia, Cypress Grove Locust Tree/ False Acacia, Harley Park Locust Tree/ False Acacia, Owenbeg Lombardy Poplar, Green Street Lombardy Poplar, Green Street London Plane, Beaufort London Plane, Burgage Stud Farm London Plane, Carnelly House London Plane, Carrigglas manor London Plane, Goresbridge London Plane, Grand Canal London Plane, Griffith Avenue London Plane, John street London Plane, Leinster House London Plane, Salterbridge House London Plane, Trinity College Lord Rossmore's Tree Lucombe Oak, Drumcaine House Lucombe Oak, Pollerton
Macedonian Pine, Rowallane Gardens Manna Ash, Rowallane Gardens Maritime Pine, Curraghmore Maritime Pine, Ravanswood Nature Reserve Mass Tree, Stranmillis road Maximowicz's Poplar, Belvedere Maytenus, Kissawamy Mexican White Pine, Brooke Hall Mile Bush, Rosbercon Money Tree, Ballingeary Monkey Puzzle Avenus, Powerscourt Monkey Puzzle, Community Centre Monkey Puzzle, Glenam House Monkey Puzzle, Lough Rinn Hotel Monkey Puzzle, Mahon Point Monkey Puzzle, Mourne Park Monkey Puzzle, Powerscourt Monkey Puzzle, Slane abbey Monterey Cypress, Ballyconnell House Monterey Cypress, Capuchin Friary Monterey Cypress, Clare Road Monterey Cypress, Clontra House Monterey Cypress, Currabir Bridge Monterey Cypress, Dromoland Castle Monterey Cypress, Emo Court Monterey Cypress, Greenmount Monterey Cypress, Hockley Lodge Monterey Cypress, Mount Congreve Monterey Cypress, Mount Trenchard Monterey Cypress, Muckross House Monterey Cypress, Old Post Office Monterey Cypress, Richardstown Castle Monterey Cypress, Ringdufferin House Monterey Cypress, Rossorry Monterey Cypress, St. Colmcille's Church Monterey Cypress, Suirville Monterey Cypress, Templeogue Monterey Cypress, Tralee Monterey Cypress, University of Limerick Monterey Pine, Capuchin Friary Monterey Pine, Collis-Sands House Monterey Pine, Kylemore Abbey Monterey Pine, Mount Stewart Monterey Pine, Reenagross Woodland Park Montezuma Pine, Mount Usher Gardens Morinda Spruce, Castlewellan Forest Park Mountain Ash/Rowan, Ballylug Mountain Ash/Rowan, Castlegrove House Hotel Mountain Ash/Rowan, Glendun Mountain Ash/Rowan, Mount Leader Mountain Beech, Fernhill Gardens Mountain Beech, Rostrevor House Mulberry, An Grianán Mulberry, Breaffy House Hotel Mulberry, Cashel Palace Hotel Mulberry, Cashel Palace Hotel Mulberry, Dan Breen House, Co. Tipperary Mulberry, Leisure Centre Mulberry, Portumna Castle Mulberry, Trinity College Myrtle, Ardnagashel Lodge Myrtle, Courtmacsherry Hotel
New Zealand black tree fern, Glanleam New Zealand black tree fern, nr. Sneem New Zealand Christmas Tree , Illnacullin New Zealand Christmas tree, Castle Mary Noble Fir, Brooke Hall Noble Fir, Gosford Forest Park Norfolk Island Pine, Glanleam Northern Catalpa, Mourne Park Norway Maple, Drum Manor Norway Spruce, Glengarra Woods Norway Spruce, Waringstown House Nun's Bush Nymans Hybrid Euchryphia, Mount Usher Gardens
O'Carroll's Oak Oldest Coastal Redwood Oldest Cryptomeria in Ireland Oldest Holm Oak Oldest Tulip Tree Olive, Magheramore Oregon Maple, Polo grounds Oregon Maple, Trinity College Oregon Maple, Trinity College Oregon Maple, Trinity College Oriental Plane, Celbridge Abbey Oriental Plane, Coole Park Oriental Plane, Cypress Grove Oriental Plane, Moira Demesne Oriental Plane, Mourne Park Oriental Plane, The Mall Oriental Plane, Trinity College Oriental Plane, Trinity College Oriental Plane, University College Dublin Original Birr Zebra Original Glanleam Gold Original Kilmacurragh Lawson's Cypress Oval-leafed Souther Beech, Powerscourt Owning Yew
Pagoda Tree, Coolatore Pagoda Tree, Dunloe Castle Hotel Pakenham's Beech Palm Trees, The Patagonian Cypress, Brooke Hall Patron Tree, Starinagh Paulownia / Foxglove Tree, Ballyhooly Castle Pear, Peartree House Pear, Tentore House Pedunculate Oak, Abbeyleix Estate Pedunculate Oak, Abbeyleix Estate Pedunculate Oak, Abbeyleix Estate Pedunculate Oak, Ballybrada Graveyard Pedunculate Oak, Ballyclerahan Pedunculate Oak, Ballydavidwood House Pedunculate Oak, Ballyhamilton House Pedunculate Oak, Ballykilcavan Pedunculate Oak, Baronscourt Estate Pedunculate Oak, Baronscourt Estate Pedunculate Oak, Beaulieu Pedunculate Oak, Belvoir Forest Park Pedunculate Oak, Bloody Loaning Lane Pedunculate Oak, Bog Lane, Borris, Co. Carlow Pedunculate Oak, Borris in Ossory, Co. Laois Pedunculate Oak, Brockley Park Pedunculate Oak, Cahir Golf Club Pedunculate Oak, Castle Forbes Pedunculate Oak, Castlecoole Estate, Enniskillen, Co. Fermanagh Pedunculate Oak, Castlecoole Estate, Enniskillen, Co. Fermanagh Pedunculate Oak, Castlehamilton Pedunculate Oak, Castlehamilton Pedunculate Oak, Castlehamilton Pedunculate Oak, Castletown House Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Charleville Forest Pedunculate Oak, Coolaghmore House, Coolagh, Windgap, Co. Kilkenny Pedunculate Oak, Coolaghmore House, Coolagh, Windgap, Co. Kilkenny Pedunculate Oak, Crannrua Pedunculate Oak, Crossneen Pedunculate Oak, Crowhill Pedunculate Oak, Dairy Hill Pedunculate Oak, Dartry Pedunculate Oak, Dartry Pedunculate Oak, Donard House Pedunculate Oak, Doneraille Park Pedunculate Oak, Donore Pedunculate Oak, Drumdeel/Springmount Pedunculate Oak, Drumin Pedunculate Oak, Emo Court Pedunculate Oak, Eve Estuary Pedunculate Oak, Farnham Estate Pedunculate Oak, Foxhall Pedunculate Oak, Harley Park Pedunculate Oak, Harley Park Pedunculate Oak, Kildavin Pedunculate Oak, Kinahown Pedunculate Oak, Lakefield House Pedunculate Oak, Landscape House Pedunculate Oak, Lisvarrinane Pedunculate Oak, Lough Gur Pedunculate Oak, Macroom Golf Club Pedunculate Oak, Meenascarthy Pedunculate Oak, Mote Demesne Pedunculate Oak, Mote Demesne Pedunculate Oak, Mote Demesne Pedunculate Oak, Mote Park Pedunculate Oak, Mote Park Pedunculate Oak, Mount Juliet Pedunculate Oak, Narrow Water Castle Pedunculate Oak, Old Rectory Pedunculate Oak, Rathcormac Road Pedunculate Oak, Ryecourt Pedunculate Oak, Shane Castle Pedunculate Oak, St. Berrihart's Kyle, Killberriherd, Bansha, Co. Tipperary Pedunculate Oak, St. Senan's GFC Pedunculate Oak, Strokestown Park Pedunculate Oak, Summer Island Pedunculate Oak, Summerhill Pedunculate Oak, Tollymore Forest Park Pedunculate Oak, Tynan Abbey Pedunculate Oak, Walls Forge, Chaplestown, Carlow, Co. Carlow Pedunculate Oak, Willford House Pedunculate Oak, Woodpark Golf Club Persian Ironwood, Glin Castle Pin Tree, Knockreer Demesne Pope John Paul's Oak, Aras an Uachtarain Prickly Castor Oil Tree, Avondale Primate's Tree, The Prince of Wales Red Cedar, Powerscourt Protecting Ash, The Pumpkin Oak, Strokestown Pumpkin Tree, Mote Park
Queen Elizabeth II Coronation Tree, University of Ulster Queen Oak, Charleville Queen Victoria Oak, Aras an Uachtarain Queen Victoria's Oak, Muckross House
Rag Tree, Augher Rag Tree, Ballinakill Rag Tree, Bangor Erris Rag Tree, Clonfert Rag Tree, Clonmacnoise Rag Tree, Clonmel Rag Tree, Dungiven Priory Rag Tree, Kells Rag Tree, Kildare Rag Tree, Leenane Rag Tree, Old Leighlin Rag Tree, Skerries Rag Tree, St. Molua's Well Rag Tree, Tobermurry Rag Tree, Tobernalt Rag Tree, Tulsk Raggedy Bush, Kilkenny Ragtree, St. Olcan's well Red Beech, Brooke Hall Red Horse Chestnut, Seamus Ennis Cultural Centre, Naul, Co. Dublin Red Oak, 12 Millbank Road Red Oak, Altamont Gardens Red Oak, Baronscourt Estate Red Oak, Shane Castle Red Oak, The Monastery Religious Hungry tree Richard Schirrmann Ash Rimu , Illnacullin Roble Beech, Baronscourt Estate Roble Beech, Rostrevor House Ronald Reagan's Magnolia, Aras an Uachtarain Rook Pine, The Rose Tree, Kilmacurragh Royal Oak, Killarney
Samuel Hayes' Chestnut, Avondale Samuel Hayes' Silver Fir, Kilmacurragh Santa Lucia Fir, Carnahalla Santa Lucia Fir, Kilronan Castle Sargent's Magnolia, Mount Congreve Scot's Pine, Ballyarthur House Scot's Pine, Barnett Demesne Scot's Pine, Baronscourt Estate Scot's Pine, Baronscourt Estate, Baronscourt, Co. Tyrone Scot's Pine, By Kenmare Road Scot's Pine, Carnagh House Scot's Pine, Clarisford Scot's Pine, Colebrooke Estate Scot's Pine, Curraghmore Scot's Pine, Doo Lough Scot's Pine, Fernhill Gardens Scot's Pine, Kilcullen Road Scot's Pine, Lattin, Co. Tipperary Scot's Pine, Manor Kilbride Scot's Pine, Muckross House Scot's Pine, Rathoe Scot's Pine, Saffron Hill Scot's Pine, The Frosses Sebastopol commemorative tree, Pettigo Service Tree, Wells House Service Tree, Wells House Sessile Oak, Ardress House Sessile Oak, Ballybeg Sessile Oak, Boom Hall Sessile Oak, Borkill Beg Sessile Oak, Carrigglas manor Sessile Oak, Cloone Grange Sessile Oak, Deerpark Sessile Oak, Deerpark Sessile Oak, Foulkesmill Sessile Oak, Glenstal Abbey Sessile Oak, Gosford Forest Park Sessile Oak, Kilmacurragh Sessile Oak, Kindlestown rise Sessile Oak, Malahide Castle Sessile Oak, Moyola Park Sessile Oak, Moyola Park Sessile Oak, Palmerstown House Sessile Oak, Rahardrum Sessile Oak, Rathdrum Road Sessile Oak, Rossanna Sessile Oak, Roundwood Sessile Oak, Shane Castle Sessile Oak, Shane Castle Sessile Oak, Shane Castle Sessile Oak, Shillelagh Sessile Oak, Strathall Sessile Oak, The Gearagh Sessile Oak, Toberowen Sessile Oak, Tomnafinnoge Wood Seven Signatories Tree, the Shades of Analore Silken Thomas Yew Silver Birch, Burton Hall Campus Silver Fir, Ashford Castle Hotel Silver Fir, Avondale Silver Fir, Ballymore Castle Silver Fir, Castlecoole Estate, Enniskillen, Co. Fermanagh Silver Fir, Colebrooke Estate Silver Fir, Ecclesville Silver Fir, Garden Cottage, Castlecoole, Enniskillen, Co. Fermanagh Silver Fir, Kilballyowen House Silver Fir, Newpass House Silver Lime, People's Park, Phoenix Park Silver Lime, People's Park, Phoenix Park Silver Maple, People's Park, Phoenix Park Silver Pendent Lime, Curraghchase Forest Park Silver Pendent Lime, Necarne Castle Estate Silver Tree Fern, nr. Sneem Silver Wattle/ Mimosa, John F. Kennedy Arboretum Silver Wattle/ Mimosa, Pollinmounty Mill Sisters, The Sitka Spruce, Abbeyleix Estate Sitka Spruce, Aughentaine Sitka Spruce, Baunreagh Sitka Spruce, Caledon Estate Sitka Spruce, Caledon Estate Sitka Spruce, Castle Leslie Sitka Spruce, Castlefreke Forest Sitka Spruce, Downhill Forest Park Sitka Spruce, Downhill Forest Park Sitka Spruce, Glenstal Abbey Sitka Spruce, Myross Wood Retreat Centre Sitka Spruce, Tempo Manor Small leaf lime, Ballaghaderneen Small leaf lime, Green Lodge Smooth-Leafed Elm, Derrycloney Source Tree Southern Beech, Cashel House Hotel Spanish Fir, Fortgranite Spanish Oak, old Conna Hill Golf Club Spindle Tree/ Pegwood, Charleville Forest Spur-Leaf, Headford House Square Sycamore, the, Coolkenna Squire's Walking Stick St. Anne's Well Ash St. Bernard's Well Ash St. Bridgid's Well St. Colman's Tree St. Colman's Well Ash St. Columcille's Holy Well, Carryblagh St. Feichin's Holy Well tree St. Feichin's Trinity tree St. Fintan's Money Tree St. Flannan's Well St. Hugh's Well, Kilbeggan St. Kieran's Bush St. Maelruin's Tree St. Mairaid's Well St. Mary's Well Thorn St. Monaghan's Tree St. Patrick's Bush St. Patrick's Well St. Patricks Well Ash Stone Pine, Ravenswell Strawberry Tree, Hazelwood Forest Strawberry Tree, Kilruddery House Strawberry Tree, Reenadinna Wood Strawberry Tree, Tower Wood Summit Cedar, Brooke Hall Swamp Cypress, Fota Wildlife Park Swamp Cypress, Newtownanner House Swamp Cypress, Westport House Swedish Whitebeam, Castle upton Swedish Whitebeam, Main Street Swedish Whitebeam, Sligo Cemetery Sweet Bay, Barmeath Castle Sweet Bay, Mount Stewart Sweet Bay, St. Joseph's Boys National School Sweet Gum, Adare Manor Hotel and Golf Club Sweet Gum, Castle Bernard Sweet Gum, Johnstown Castle Sweet Gum, Kilruddery House Sweet Gum, Marlfield House Sweet Gum, Montalto House Sweet Gum, St. Patrick's College Sweet Michelia, Mount Congreve Sweet/Spanish Chestnut, Ballyarthur House Sweet/Spanish Chestnut, Ballydarton House Sweet/Spanish Chestnut, Ballymurn, Enniscorthy, Co. Wexford Sweet/Spanish Chestnut, Ballyraheen Sweet/Spanish Chestnut, Blackhills Sweet/Spanish Chestnut, Bookey Bridge Sweet/Spanish Chestnut, Borris House Sweet/Spanish Chestnut, Bunratty House Sweet/Spanish Chestnut, Cappoquin House Sweet/Spanish Chestnut, Castle Mary Sweet/Spanish Chestnut, Clonbrock Sweet/Spanish Chestnut, Corick House Hotel Sweet/Spanish Chestnut, Doneraille Park Sweet/Spanish Chestnut, Dunleckney Farm Sweet/Spanish Chestnut, Fernhill Gardens Sweet/Spanish Chestnut, Hezlett House Sweet/Spanish Chestnut, Kilboy Sweet/Spanish Chestnut, Littleton Sweet/Spanish Chestnut, Oakfield House Demesne Sweet/Spanish Chestnut, Powerscourt Sweet/Spanish Chestnut, Rockfield House Sweet/Spanish Chestnut, Shanbally Castle Sweet/Spanish Chestnut, Shandy Hall Sweet/Spanish Chestnut, Shannongrove Sweet/Spanish Chestnut, Shannongrove Sweet/Spanish Chestnut, Shannongrove Sweet/Spanish Chestnut, St. Patrick's Church Sweet/Spanish Chestnut, Strokestown Park Sweet/Spanish Chestnut, Tynan Abbey Sweet/Spanish Chestnut, Westfield Sweet/Spanish Chestnut, Weston Cottage, Bunclody, Co. Wexford Sweet/Spanish Chestnut, Zephyr Lodge Swiss Stone Pine, Castle Leslie Sycamore, Ardkill Castle Sycamore, Ballinakill, Co. Laois Sycamore, Ballinrobe Golf Course Sycamore, Belcoo Green Sycamore, Benvarden Sycamore, Benvarden Sycamore, Castlebellew Sycamore, Castleward Sycamore, Community Centre Sycamore, Craigdunn castle Sycamore, Crumlin Park House Sycamore, Dowth Sycamore, Drenagh Sycamore, Drenagh Sycamore, Druids Glen Sycamore, Drumcliffe Sycamore, Glenart Castle Sycamore, Headford Golf Club Sycamore, Kilcurry Sycamore, Kildavin Sycamore, Moira Demesne, Moira, Co. Down Sycamore, Montalto House Sycamore, Narrow Water Castle Sycamore, Streull Wells Sycamore, Templeport Sycamore, The Green, Bansha, Co. Tipperary
Taiwan cryptomeria, Illnacullin Tallest Ash, 2nd Tallest Broadleaf in Ireland Tallest broadleaf, Kilruddery House Tallest Caucasian Fir Tallest Cedar, Ardee Tallest Dawn Redwood Tallest Douglas Fir Tallest native tree in Ireland Tallest Norway Spruce Tallest Redwood Tallest Sessile Oak Tallest Sitka, Curraghmore Tallest Sitka, Shelton Abbey Tallest tree in Northern Ireland, Sitka, Tempo Manor Tallest tree in Sligo, Lissadell House Tanekaha, Fota Arboretum Tasmanian Blue Gum, Eccles Hotel Tasmanian Blue Gum, Eccles Hotel Tasmanian Blue Gum, nr. Sneem Tasmanian Tree Fern, Derreen Gardens Tasmanian Tree Fern, Kells Bay Gardens Tasmanian Yellow Gum, Ballynastragh estate Tasmanian Yellow Gum, Rathdrum Teddybear Trees, Gracehill Road Telephone Mast, first Deceptive Pine in Ireland, Carrick Tepa, Kilmacurragh Thomas Bellingham Lime, Castlebellingham Thunderstruck Wellingtonia, Tollymore Forest Park Tobar Lachteen Ash Toll Trees, Abbeyleix Totara, Kilruddery House Tree of Heaven, National Botanic Gardens Tree of Heaven, St. Patrick's College Tree of Liberty, Buttavant Tree that ate the Church Tree that ate the Church #2 Tulip Tree, Ballydavidwood House Tulip Tree, Clogheen Tulip Tree, Curragh Camp Tulip Tree, Curragh Camp Tulip Tree, Drum Manor Tulip Tree, Dunderry Tulip Tree, Glenbrook House Tulip Tree, Glenstal Abbey Tulip Tree, Hockley Lodge Tulip Tree, Kilballyowen House Tulip Tree, Knockabbey Gardens Tulip Tree, Lough Rinn Hotel Tulip Tree, Molenan House Tulip Tree, Myra Castle Tulip Tree, The K Club Tullowbrin Rath Tullymore Thorn Turkey Oak, Ballymenock Park Turkey Oak, Ballyrahan Turkey Oak, Birchfield House Turkey Oak, Camphire House Turkey Oak, Camphire House Turkey Oak, Floodhall Turkey Oak, Threecastles House Turkey Oak, Tralee Town Park Turkey Oak, Woodbrook Demesne Turkey roost tree Twelve Apostles, Parkfield Twelve Apostles, Raphoe Two Trees, Castletownsend
Walk, Yew, Kilruddery House Walnut, Annsfort Walnut, Ballinlough Castle Walnut, Clogherstown, Ardcath, Co. Meath Walnut, Marlfield Farm Walnut, Marlfield House Walnut, Moyola Park Walnut, Thornville Walter Raleigh's Yew Wart Oak, Tullamore Warty Well Wedding Tree, Cookstown Weeping Ash, Fairfield House Weeping Ash, Milltown Weeping Beech, Ballinter House Weeping Beech, Ballyloughan House Weeping willow, St. Stephens Green Wellingtonia, Giant Sequoia, Aras an Uachtarain Wellingtonia, Giant Sequoia, Castlewellan Forest Park Wellingtonia, Giant Sequoia, Curraghmore Wellingtonia, Giant Sequoia, Fasseroe Wellingtonia, Giant Sequoia, Glengarra Woods Wellingtonia, Giant Sequoia, Gosford Forest Park Wellingtonia, Giant Sequoia, Gurteen le Poer Wellingtonia, Giant Sequoia, Luttrelstown Castle Wellingtonia, Giant Sequoia, Montalto House Wellingtonia, Giant Sequoia, Powerscourt Waterfall Wellingtonia, Giant Sequoia, Powerscourt Waterfall Wellingtonia, Giant Sequoia, Prospect Cemetery Wellingtonia, Giant Sequoia, Rash house Wellingtonia, Giant Sequoia, St. Mary's cathedral Wellingtonia, Giant Sequoia, Tempo Manor Wellingtonia, Giant Sequoia, Woodstock Wesley Yew, Derriaghy Western Hemlock, Fernhill Gardens Western Hemlock, Kilronan Castle Western Hemlock, Lough Rinn Hotel Western Hemlock, Lough Rinn Hotel Western Red Cedar, Blarney Estate Western Red Cedar, Castle Bernard Western Red Cedar, Dromoland Castle Western Red Cedar, Fortgranite Western Red Cedar, Lough Key Forest Park Western Red Cedar, Mullaghmore House Wheel Tree, Glenveagh Castle White Mulberry, Mount St. Josephs White Mulberry, Mount St. Josephs White Poplar, Thomas Bridge White Willow, Dublin Road White Willow, Rathvinden Lock Whitebeam, Glenhall Whitebeam, Riverview Wild Cherry, Ballynacloona Wild Cherry, Gurteen le Poer Wild Cherry, Marlfield Village Wild Cherry, Screggan William Tighe's last planting Willow Podocarp, Ardnagashel Estate Winter's Bark, Glin Castle Wollemi Pine, Hillsborough Castle Wollemi Pine, Mount Usher Gardens Wych Elm, Ballyconnell House Wych Elm, Ballyvacum House Wych Elm, Bridge Cottage Wych Elm, Bruckles House Wych Elm, Bruckles House Wych Elm, Clonmullan House Wych Elm, Clonmullan House Wych Elm, Clonmullan House Wych Elm, Clonmullan House Wych Elm, Clontarf Road Wych Elm, Davistown House Wych Elm, Drommeenagh Road Wych Elm, Formal Wych Elm, Greene Park Wych Elm, Hollymount Wych Elm, Hollymount Wych Elm, Kilcarrig Lodge Wych Elm, Killeanleagh Wych Elm, Ludden Wych Elm, Magherameenagh Castle Wych Elm, Newbridge Road Wych Elm, Pink House Wych Elm, Robinstown Wych Elm, Rosario Wych Elm, Rossylongon Wych Elm, Vandeleur Wall Garden
Yew Tree Well, Tobernalt Yew Walk, Clonfert Yew Walk, Huntingdon Yew Walk, Lough Crew Yew Walk, Portumna Yew, Adare Castle Yew, Adare Manor Hotel and Golf Club Yew, Antrim Castle Yew, Ardsallagh House Yew, Ardtully Castle Yew, Assolas House Yew, Assolas House Yew, Avondale Yew, Ballinlough Castle Yew, Ballydarton House Yew, Ballynakilly Wood Yew, Ballyseedy Wood Yew, Blarney Estate Yew, Brittas Estate Yew, Brooke hall Yew, Bunclody Yew, Burren National Park Yew, Carton Estate Yew, Castle Mary Yew, Castle upton Yew, Castlecomer Golf Club Yew, Castlecomer House Yew, Castlecoote Yew, Castlecoote Yew, Castlecoote Yew, Castlegrove House Hotel Yew, Castlehyde Yew, Castleward Yew, Charleville Forest Yew, Clane Abbey Yew, Clonfert Cathedral Yew, Clonmannon Yew, Cong Abbey Yew, Crom Castle Yew, Curraghchase Yew, Donaskeigh, Co. Tipperary Yew, Doneraille Park Yew, Doneraille Park Yew, Drumgold House Yew, Dunganstown Castle Yew, Dunganstown Castle Yew, Durrow Abbey Yew, Durrow Abbey Yew, Emo Court Yew, Furness House Yew, Garvagh High School Yew, Glen of Clab Yew, Glencormac Yew, Glenstal Abbey Yew, Gort na mona Yew, Gortatole Yew, Grillagh Bridge Yew, Hillsborough Castle Yew, Hillsborough Fort Yew, Hilton Park Yew, Holy Trinity Church Yew, Inchigeelagh Cemetery Yew, Innisfallen Island Yew, Kilmacurragh Yew, Kilskeer, Kells, Co. Meath Yew, Knockabbey Gardens Yew, Ladychapel, Rathcoffey, Co. Kildare Yew, Larchfield House Yew, Leslie Hill Yew, Lisabuck Yew, Lissan House Yew, Long Graigue Yew, Loughgaul Agricultural Institute Yew, Main Street Yew, Marley Park Yew, Millford House Yew, Millvale Yew, Monaincha House Yew, Moore Abbey Yew, Mount Stewart Yew, Mount Stewart Yew, Moynolty, Co. Meath Yew, Myrtle Grove Yew, Myrtle Grove Yew, Myrtle Grove Yew, Myrtle Grove Yew, Newtown Yew, Oldbridge House Yew, Oldbridge House Yew, Oldbridge House Yew, Oldbridge House Yew, Oldbridge House Yew, Oldbridge House Yew, Rathkenny House Yew, Rathkenny House Yew, Rathkenny House Yew, Rathkenny House Yew, Rathkenny House Yew, Rathurles Church Yew, Reenadinna Wood Yew, Roachestown House Yew, Rosemount House Yew, Rossanna Yew, Salterbridge House Yew, Shelton Abbey Yew, Silver Springs Yew, Simmonscourt Castle Yew, Springhill House Yew, St. Patrick's College Yew, St. Carthach Church Yew, St. Columba's Church Yew, St. Columba's Church Yew, St. Kevin's Yew, St. Marys Church Yew, St. Nicholas Church Yew, St. Patrick's College Yew, St. Pauls Church Yew, Swiss Cottage Yew, Tollymore Forest Park Yew, Turloughmore Mountain Yew, Turloughmore Mountain Yew, Tynan Yew, Whitehead Yew, Woodbrook Demesne
